package com.itheima.service;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.constant.MessageConstant;
import com.itheima.dao.MemberDao;
import com.itheima.dao.OrderDao;
import com.itheima.dao.OrdersettingDao;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderSetting;
import com.itheima.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.Map;

/**
 * @Author: bowen
 * @Date: 2019/6/29 16:21
 * @Description:
 */
@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService {

	@Autowired
	OrdersettingDao ordersettingDao;

	@Autowired
	MemberDao memberDao;

	@Autowired
	OrderDao orderDao;
	/**
	 *  @描述：新增预约
	 */
	public Result add(Map map) {
		String telephone = map.get("telephone").toString();
		//String setmealId = map.get("setmealId").toString();
		int setmealiId = Integer.parseInt(map.get("setmealId").toString());
		//1、检查用户所选择的预约日期是否已经提前进行了预约设置，如果没有设置则无法进行预约
		String orderDate = map.get("orderDate").toString();
		Date date = null;
		try {
			date= DateUtils.parseString2Date(orderDate);
		} catch (Exception e) {
			e.printStackTrace();
		}
		OrderSetting orderSetting = null;
		try {
			orderSetting= ordersettingDao.findByOrderDate(date);
		} catch (Exception e) {
			e.printStackTrace();
		}
		if(orderSetting == null){
			return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
		}
		//2、检查用户所选择的预约日期是否已经约满，如果已经约满则无法预约
		int number = orderSetting.getNumber();
		int reservations = orderSetting.getReservations();
		if(number <= reservations){
        	return new Result(false,MessageConstant.ORDER_FULL);
        }
		//3、检查用户是否重复预约（同一个用户在同一天预约了同一个套餐），如果是重复预约则无法完成再次预约
		Member member = memberDao.findByTelephone(telephone);
		if(member != null){
		//	检查当前用户是否为会员，如果是会员则直接完成预约，
		//	是会员，拿到他的member_id,和orderDate，setmeal_id去预约表查询，确认是否重复预约
			Integer memberId = member.getId();
			Order order = new Order();
			order.setMemberId(memberId);
			try {
				order.setOrderDate(date);
			} catch (Exception e) {
				e.printStackTrace();
			}
			order.setSetmealId(setmealiId);
			List<Order> orderList = orderDao.findByCondition(order);
			if(orderList !=null && orderList.size()>0){
				return new Result(false,MessageConstant.HAS_ORDERED);
			}

		} else{
			//	如果不是会员则自动完成注册并进行预约
			//	不是会员，自动完成注册
			member = new Member();
			member.setIdCard(map.get("idCard").toString());
			member.setName(map.get("name").toString());
			member.setSex(map.get("sex").toString());
			member.setPhoneNumber(map.get("telephone").toString());
	        memberDao.add(member);
		}

		//预约
		Order addedOrder = new Order(member.getId(),
				date,
				map.get("orderType").toString(),
				Order.ORDERSTATUS_NO,
				setmealiId);
		orderDao.add(addedOrder);

		//5、预约成功，更新当日的已预约人数
		orderSetting.setReservations(reservations+1);
		//ordersettingDao.update(orderSetting);
		ordersettingDao.updateReservationsByOrderDate(orderSetting);

		return new Result(true,MessageConstant.ORDER_SUCCESS,addedOrder);
	}

	@Override
	public Map findById(String id) {
		return orderDao.findById4Detail(Integer.parseInt(id));
	}

	/**
	 *  @描述：获取套餐数据
	 */
	public List getSetmealReport() {

		return orderDao.getSetmealReport();
	}

}
